condition	mean	min	max
4 h after light	6.74733	5.91742	8.02164
8 h after light	4.65214	1.02367	8.59479
12 h after light	3.9166766666666666	3.32539	4.44516
4 h after dark	12.174033333333334	10.6966	13.0299
8 h after dark	11.7422	10.743	12.6093
12 h after dark	5.13256	3.95509	6.77381